System Sensor SR This unit is exactly the same as my other System Sensor SR. Brand System SensorModel SRManufacturer System SensorType Alarm (Remote Strobe)
FCI S241575-FC Category : FCIUnlike my other FCI-rebranded System Sensor SpectrAlert Classic, this one does not have an FCI logo on the front.
Honeywell S465B Category : HoneywellThis is essentially a slightly modified-looking version of the Honyewell S464A with a two-stage option.
